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Yay, Specially Defensive Jirachi! Me gusta.
On the serious side though, Specially Defensive Jirachi is pretty good. It takes Dragon moves like Draco Meteor like a boss. It also can take Ice moves for Landorus, and Grass moves for Rotom-W. Its arguably the most Defensive Pokemon on the team, sporting so many resistances. EVs give great Special bulk, as well as outspeeding Jolly Dragon Dance Tyranitar before the boosts. Due to Jirachi's great bulk, it's quite easy to get a Body Slam off, and paralyzes the opponent quite frequently due to its 60% chance to do so with Serene Grace. Iron Head works well with Body Slam, Flinching the opponent 60% of the time, for a hated strategy known as paraflinch. Stealth Rock sets up my hazards, bringing certain Pokemon toward their KO ranges. Wish provides healing for Pokemon on my team such as my Life Orb Infernape. 202 HP Wishes is quite a bit. And it's easy to get a Wish heal using the paraflinching combo.

Bulky Water type Pokemon are always fun. I tried bulky Rotom-W for awhile, and its been working quite well, and has good synergy with my Jirachi. Rotom-W takes Ground and Fire moves for Jirachi, and Grass moves can be sent to Jirachi to resist. The EVs look a bit wierd, but they allow me to outspeed annoyances like Scizor, Max Speed Tyranitar, and most Gliscor. And take them out, most of the time, or cripple them. Hydro Pump is my STAB, and it misses too much. I'm thinking about running Hidden Power [Water], but the power difference is quite significant. Thunderbolt is my secondary STAB is used over Volt Switch because of the power that it offers. Will-O-Wisp ruins Physical sweepers or tanks this guy meets, like Breloom and Scizor. Pain Split is used for recovery, and it will usually recover due to Rotom's base 50 HP stat.

Genesect is one of my team's Scarfers. The EVs give maximum Special Attack and Speed, and 2 points in Attack to power up U-turn a pinch. I prefer Hasty to Rash or Naive to stop opposing Genesect from gaining a Special Attack boost. U-turn is STAB that allows me to scout, and does decent damage off of Genesect's good Attack stat. Thunderbolt hits Gyarados and Starmie, and is just a nice move to have. Ice Beam completes the infamous BoltBeam combo with Thunderbolt, hits Ground type Pokemon and targets the many x4 Ice weaknesses in OU. Flamethrower screws opposing Genesect and the many Steel types in OU, like Forretress, Ferrothorn, and Skarmory. It also prevents Magnezone from resisting my BoltBeam.

After ♠SpumWack♠ wrecked me with an Iron Fist Infernape, I wanted to use my own in my team as an offensive pivot. I took the mixed Infernape set and merged it with ThunderPunch to make a pretty good offensive Infernape. Life Orb smacked der for more damage. Iron Fist boosts the power of both ThunderPunch and Mach Punch, making it quite useful in taking out water types and Pokemon that are faster than it. EVs give Physical sweeping capabilities as well as Special Attacking investment for Overheat. Overheat is STAB, and although my SAtk is rather uninvested, it hits pretty darn hard, even OHKO stuff under the rain. ThunderPunch ruins bulky waters, barring those with a secondary Ground typing. It also nails Flying Pokemon as well. Mach Punch is boosted by Iron Fist, STAB, and picks off weakened Pokemon. Close Combat is a stronger Fighting STAB that is used when my opponent has quite a bit of HP left.

Special Landorus never appealed to me. Its Attack stat and the standard Choice Scarf set seemed like the best option every time. Boy, was I wrong. This guy packs a 556 Special Attack stat with Life Orb and Sheer Force factored in. You cannot say it is not powerful. Your argument is automatically invalid.
Anyway, onto the moves now. Earth Power is STAB that literally rips you apart barring that you don't resist, are immune to it, or if you are a annoying pink blob. Focus Blast rips apart the pink blobs for a 2HKO after Stealth Rock, which is awesome. And it hits stuff like Skarmory also. Hidden Power [Ice] may make me take damage from Life Orb, but it provides amazing coverage in OU, targeting the many Ice weaknesses in OU. Rock Polish is to boost my Speed higher, as Landorus doesn't exactly have a terrific Speed.

Who ever uses Double Dance Haxorus nowadays? This guy was added to take Water moves. Not like he could take much of them anyway. Lum Berry is for them random statuses.
The deal with this Haxorus is that you can choose to boost whatever who think is necessary. If you know the opponent can outspeed, go for Dragon Dance. If you know that you can outspeed, either from base speed or Jirachi, go for the Swords Dance. Or do a combination of both, making a deadly Haxorus indeed. Swords Dance boosts my Attack 2 levels, while Dragon Dance boosts my Speed and Attack by a level each. Basic stuff.Earthquake is my move to hit Steel types with, and can hit Levitate and break through Sturdy due to Mold Breaker. Outrage is ridiculous STAB from my 147 Atk stat, and if I get an Attack boost, even Skarmory will have trouble taking 2 Outrages in a row.